WO2020169715A1 - Cassette à ressort en spirale - Google Patents

Cassette à ressort en spirale Download PDF

Info

Publication number
WO2020169715A1
WO2020169715A1 PCT/EP2020/054444 EP2020054444W WO2020169715A1 WO 2020169715 A1 WO2020169715 A1 WO 2020169715A1 EP 2020054444 W EP2020054444 W EP 2020054444W WO 2020169715 A1 WO2020169715 A1 WO 2020169715A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing part
chamber
flat cable
coil spring
spring cassette
Prior art date
Application number
PCT/EP2020/054444
Other languages
German (de)
English (en)
Inventor
Knut Moldenhauer
Raphael KLEINE
Original Assignee
Leopold Kostal Gmbh & Co. Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Leopold Kostal Gmbh & Co. Kg filed Critical Leopold Kostal Gmbh & Co. Kg
Priority to ES20706242T priority Critical patent/ES2973296T3/es
Priority to EP20706242.3A priority patent/EP3928398B1/fr
Publication of WO2020169715A1 publication Critical patent/WO2020169715A1/fr
Priority to US17/386,647 priority patent/US11909186B2/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/006—Arrangements of electric cables or lines between relatively-movable parts using extensible carrier for the cable, e.g. self-coiling spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/027—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems between relatively movable parts of the vehicle, e.g. between steering wheel and column
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/02—Arrangements of electric cables or lines between relatively-movable parts using take-up reel or drum

Definitions

  • the present invention relates to a coil spring cassette with a fixed cylindrical Statorgekoru seteil and a coaxially arranged to this, rotatable about its longitudinal axis, cylindrical
  • Rotor housing part a chamber delimited by the outer jacket surface of the inner housing part and the inner jacket surface of the outer housing part being formed in which at least one flexible flat cable having electrical conductors is arranged.
  • Coil spring cassettes are used to create electrical connections between two objects, one of which is arranged to be rotatable relative to the other. To do this, have clock spring cassettes
  • One end of the flat cable is mechanically and electrically connected to the stator housing part and to the rotor housing part.
  • the flat cable which is arranged in several layers in the so-called winding gap between the housing parts, is displaced within the winding gap.
  • the first basic form is a spiral arrangement of the flat cable ("clock spring principle") with a uniform
  • the second basic form is a
  • Winding direction reversal is provided, in which the flat cable has a U-shaped turning point ("U-turn principle"), which changes when the
  • Rotor housing part moves on the flat cable and within the winding gap.
  • the U-turn principle enables the use of a significantly shorter flat cable with the same intended rotation distance of the rotor housing part.
  • up to eight independent flat cables can run around in the same winding gap, as opposed to a maximum of two flat cables in clock spring arrangements. This enables a considerably larger number of electrical connections between the rotor housing part and the stator housing part, as well as a relatively small size
  • coil spring cassettes based on the U-turn principle are characterized by lower noise development than comparable coil spring cassettes with a spiral arrangement
  • Coil spring cassette forms a first and a second chamber, which are closed off from one another and arranged parallel to one another along their longitudinal axis, that in the first chamber at least one first flat cable with a winding direction reversal and that in the second chamber at least one second flat cable with uniform
  • Winding direction is arranged.
  • Figures 1 and 2 show the front and back of the same coil spring cassette.
  • the clock spring cassette consists of one, here on the outside
  • Stator housing part 1 which can be mechanically connected, for example, to fixed elements of the steering column of a motor vehicle and consists of a rotor housing part 2 arranged concentrically to the stator housing part 1, here on the inside, which is approximately attached to the steering wheel of the
  • Motor vehicle can be mechanically coupled so that it is at
  • Rotary operations of the steering wheel can be rotated against the stator housing part 1.
  • four individual first flat cables 6a can be seen, each of which bear against both the outer jacket surface 3 of the rotor housing part 2 and the inner jacket surface 4 of the stator housing part 1 and when the rotor housing part 2 rotates against the stator housing part 1 on these jacket surfaces 3, 4 can roll off.
  • each first flat cable 6a reverses its winding direction and thereby forms a reverse loop 11, which moves through the space between the casing surfaces 3, 4, the so-called winding gap 5, when the rotor housing part 2 rotates relative to one another.
  • a horizontal partition 8 belonging to the stator housing part 1 and a cover part (not shown) connected to the rotor housing part 2 complete the winding gap 5 to form a first chamber 7a in which the at least one first flat cable 6a is arranged.
  • the partition can also be designed as a separate component.
  • the reversal loops 11 of the first flat cables 6a have a relatively small bending radius. It is therefore necessary that the first flat cables 6a are all very flexible and, as a result, relatively thin. As a result, the first flat cables 6a are particularly suitable for low-frequency signal transmissions with low levels
  • Flat cables 6b are required, which are designed to be considerably thicker and therefore more rigid and less flexible. They are therefore less suitable for an arrangement with a winding direction reversal, unless one
  • FIG. 2 consists in arranging at least one stronger second flat cable 6b in a spiral arrangement, and thus in a uniform winding direction, on the back of the horizontal partition 8.
  • the inner jacket surface 4 of the stator housing part 1 and the outer jacket surface 3 of the rotor housing part 2 together with the rear side of the horizontal partition 8 form a second chamber 7b, which accommodates the at least one second flat cable 6b.
  • the coil spring cassette thus contains both first flat cables 6a in a U-turn arrangement and two flat cables 6b in a clock spring arrangement, the first and second flat cables 6a, 6b can have significantly different properties.
  • the proposed coil spring cassette thus combines the advantageous properties of both designs in an advantageous manner.
  • stator housing part 1 On the Statorgekoru seteil 1 mechanical connecting elements 9 for attaching the coil spring cassette are formed in particular in a motor vehicle. Furthermore, electrical connection elements 10a, 10b can also be seen on the stator housing part 1, via which electrical signals can be fed into the flat cables 6a, 6b.
  • Electrical connection elements 12 also belong to the rotor housing part 2.
  • stator housing part (external housing part)

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Steering Controls (AREA)
  • Electric Cable Arrangement Between Relatively Moving Parts (AREA)

Abstract

La présente invention concerne une cassette à ressort en spirale ayant une partie de carcasse de stator cylindrique fixe et une partie de carcasse de rotor cylindrique, disposée dans l'axe de ladite première partie et rotative autour de son axe longitudinal, il est formé une chambre, délimitée par l'enveloppe externe de la partie de carcasse située à l'intérieur et par l'enveloppe interne de la partie de carcasse située à l'extérieur, dans laquelle est disposé au moins un câble plat flexible comportant des conducteurs électriques. La cassette à ressort en spirale forme une première et une seconde chambre, qui sont fermées l'une par rapport à l'autre et disposées parallèlement l'une à l'autre le long de leur axe longitudinal. Dans la première chambre est disposé au moins un premier câble plat ayant une inversion de sens d'enroulement et dans la seconde chambre est disposé un second câble plat ayant un sens d'enroulement uniforme.
PCT/EP2020/054444 2019-02-23 2020-02-20 Cassette à ressort en spirale WO2020169715A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES20706242T ES2973296T3 (es) 2019-02-23 2020-02-20 Cajetín de resorte en espiral
EP20706242.3A EP3928398B1 (fr) 2019-02-23 2020-02-20 Cassette à ressort en spirale
US17/386,647 US11909186B2 (en) 2019-02-23 2021-07-28 Coil spring cassette

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019001311.5A DE102019001311A1 (de) 2019-02-23 2019-02-23 Wickelfederkassette
DE102019001311.5 2019-02-23

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/386,647 Continuation US11909186B2 (en) 2019-02-23 2021-07-28 Coil spring cassette

Publications (1)

Publication Number Publication Date
WO2020169715A1 true WO2020169715A1 (fr) 2020-08-27

Family

ID=69631615

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/054444 WO2020169715A1 (fr) 2019-02-23 2020-02-20 Cassette à ressort en spirale

Country Status (5)

Country Link
US (1) US11909186B2 (fr)
EP (1) EP3928398B1 (fr)
DE (1) DE102019001311A1 (fr)
ES (1) ES2973296T3 (fr)
WO (1) WO2020169715A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112366645A (zh) * 2020-10-29 2021-02-12 武汉船用机械有限责任公司 电缆转动装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4121284A1 (de) * 1991-06-27 1992-11-19 Alps Electric Co Ltd Verbindungseinrichtung mit einem nach art einer uhrfeder angeordnetem elektrischen kabel
JP4518354B2 (ja) * 1999-10-13 2010-08-04 トムソン マルチメディア ケーブルリール、及びこのようなリールが装備された電磁波通信装置
US20120126047A1 (en) * 2010-11-22 2012-05-24 Telefonix, Incorporated Retractable Cord Reel
US20140263801A1 (en) * 2013-03-18 2014-09-18 Response Engineering, Inc. Rotatable cable guide for retractable cord reel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10235862C1 (de) * 2002-08-05 2003-11-13 Freudenberg Carl Kg Verbindungsvorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4121284A1 (de) * 1991-06-27 1992-11-19 Alps Electric Co Ltd Verbindungseinrichtung mit einem nach art einer uhrfeder angeordnetem elektrischen kabel
JP4518354B2 (ja) * 1999-10-13 2010-08-04 トムソン マルチメディア ケーブルリール、及びこのようなリールが装備された電磁波通信装置
US20120126047A1 (en) * 2010-11-22 2012-05-24 Telefonix, Incorporated Retractable Cord Reel
US20140263801A1 (en) * 2013-03-18 2014-09-18 Response Engineering, Inc. Rotatable cable guide for retractable cord reel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112366645A (zh) * 2020-10-29 2021-02-12 武汉船用机械有限责任公司 电缆转动装置
CN112366645B (zh) * 2020-10-29 2022-05-03 武汉船用机械有限责任公司 电缆转动装置

Also Published As

Publication number Publication date
US11909186B2 (en) 2024-02-20
US20210359502A1 (en) 2021-11-18
EP3928398A1 (fr) 2021-12-29
ES2973296T3 (es) 2024-06-19
DE102019001311A1 (de) 2020-08-27
EP3928398B1 (fr) 2023-12-13

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